COMPARATIVE ANATOMY is the science of the structure of animals, considered in their relation to one another;COMPARATIVE PHYSIOLOGY deals with the Functios of the parts of which these animals are made up and by examining different forms that present various kinds of activities it throws light on the essential properties of living matter.The study of animals is but a part of the wider science the study of organised matter generally the science of which takes plants as well as animals the objects of its investigations. Under the head biological studies we have therefore to group; (a) Those...